3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['Some']; var_dump(isset($a[0]));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.70.0160.00618.43
8.3.60.0040.01118.04
8.3.50.0120.01016.46
8.3.40.0090.00618.71
8.3.30.0100.00718.54
8.3.20.0070.00020.38
8.3.10.0000.00821.90
8.3.00.0040.00420.77
8.2.180.0070.01118.41
8.2.170.0150.00022.96
8.2.160.0110.00422.25
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00020.57
8.2.120.0040.00426.35
8.2.110.0100.00020.35
8.2.100.0090.00317.72
8.2.90.0040.00419.22
8.2.80.0050.00317.97
8.2.70.0030.00517.63
8.2.60.0000.00717.93
8.2.50.0040.00418.10
8.2.40.0050.00322.26
8.2.30.0000.00821.04
8.2.20.0030.00318.01
8.2.10.0070.00017.98
8.2.00.0000.00817.94
8.1.280.0110.00725.92
8.1.270.0040.00423.83
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0030.00620.83
8.1.230.0040.00819.06
8.1.220.0020.00517.74
8.1.210.0000.00818.77
8.1.200.0000.00917.23
8.1.190.0040.00417.10
8.1.180.0060.00318.10
8.1.170.0060.00318.34
8.1.160.0000.00818.91
8.1.150.0040.00418.82
8.1.140.0040.00419.56
8.1.130.0050.00318.74
8.1.120.0000.00817.36
8.1.110.0040.00417.28
8.1.100.0000.00717.37
8.1.90.0030.00617.41
8.1.80.0030.00317.44
8.1.70.0030.00317.39
8.1.60.0020.00517.53
8.1.50.0040.00417.34
8.1.40.0040.00417.33
8.1.30.0000.00817.58
8.1.20.0040.00417.59
8.1.10.0030.00717.41
8.1.00.0040.00417.45
8.0.300.0000.00818.77
8.0.290.0050.00216.63
8.0.280.0030.00318.34
8.0.270.0000.00717.18
8.0.260.0040.00416.70
8.0.250.0000.00816.90
8.0.240.0040.00416.81
8.0.230.0000.00716.75
8.0.220.0000.00816.77
8.0.210.0000.00716.68
8.0.200.0000.00716.90
8.0.190.0040.00416.90
8.0.180.0080.00016.81
8.0.170.0040.00316.82
8.0.160.0000.00716.86
8.0.150.0070.00016.66
8.0.140.0030.00316.84
8.0.130.0000.00613.17
8.0.120.0000.00716.67
8.0.110.0040.00316.78
8.0.100.0030.00516.84
8.0.90.0040.00416.77
8.0.80.0130.00616.81
8.0.70.0050.00316.71
8.0.60.0030.00516.88
8.0.50.0040.00416.86
8.0.30.0100.00817.23
8.0.20.0100.00817.40
8.0.10.0080.00016.93
8.0.00.0140.00416.66
7.4.330.0040.00015.55
7.4.320.0030.00316.43
7.4.300.0030.00316.41
7.4.290.0000.00916.38
7.4.280.0000.00716.44
7.4.270.0030.00316.54
7.4.260.0060.00313.10
7.4.250.0020.00516.38
7.4.240.0040.00416.45
7.4.230.0070.00016.27
7.4.220.0070.01316.38
7.4.210.0100.00316.48
7.4.200.0040.00416.37
7.4.160.0080.00816.50
7.4.150.0060.01317.40
7.4.140.0100.00717.86
7.4.130.0140.00316.45
7.4.120.0070.01316.38
7.4.110.0070.01116.40
7.4.100.0090.00916.37
7.4.90.0090.00916.48
7.4.80.0120.00619.39
7.4.70.0140.00316.53
7.4.60.0120.00316.30
7.4.50.0000.01316.11
7.4.40.0110.00616.58
7.4.30.0060.01016.41
7.4.10.0080.00914.74
7.4.00.0070.01014.69
7.3.330.0000.00613.08
7.3.320.0020.00213.10
7.3.310.0070.00016.20
7.3.300.0030.00316.19
7.3.290.0060.01016.20
7.3.280.0090.00816.20
7.3.270.0160.01017.40
7.3.260.0100.01016.14
7.3.250.0090.00816.33
7.3.240.0120.00816.22
7.3.230.0090.01516.05
7.3.210.0130.00316.08
7.3.200.0110.00416.44
7.3.190.0140.00316.45
7.3.180.0130.00316.45
7.3.170.0150.00016.34
7.3.160.0090.00616.20
7.3.130.0040.01114.75
7.3.120.0110.00714.39
7.3.110.0120.00614.35
7.3.100.0080.00814.46
7.3.90.0040.01114.93
7.3.80.0040.01114.31
7.3.70.0040.00814.61
7.3.60.0120.00314.63
7.3.50.0040.00814.41
7.3.40.0060.00614.43
7.3.30.0070.00714.35
7.3.20.0040.00816.32
7.3.10.0030.01016.28
7.3.00.0110.00416.42
7.2.330.0070.01016.36
7.2.320.0160.00616.71
7.2.310.0120.00916.62
7.2.300.0120.00916.34
7.2.290.0120.00616.55
7.2.260.0070.01014.55
7.2.250.0160.00314.76
7.2.240.0000.01314.52
7.2.230.0070.00714.80
7.2.220.0040.01114.34
7.2.210.0070.01014.87
7.2.200.0030.01014.66
7.2.190.0070.00714.90
7.2.180.0040.01214.43
7.2.170.0030.00714.84
7.2.160.0060.00614.55
7.2.150.0040.01116.90
7.2.140.0030.00616.83
7.2.130.0100.00316.79
7.2.120.0060.00316.77
7.2.110.0040.01216.40
7.2.100.0030.01216.66
7.2.90.0090.00616.80
7.2.80.0090.00616.49
7.2.70.0060.00816.68
7.2.60.0080.00816.88
7.2.50.0000.01416.84
7.2.40.0000.01516.91
7.2.30.0100.00316.66
7.2.20.0030.00716.63
7.2.10.0070.00716.80
7.2.00.0030.00818.04
7.1.330.0070.00715.59
7.1.320.0040.01215.65
7.1.310.0060.00315.63
7.1.300.0120.00315.33
7.1.290.0000.01015.30
7.1.280.0030.01015.39
7.1.270.0110.00415.25
7.1.260.0090.00315.48
7.1.250.0070.00715.71
7.1.240.0090.00315.37
7.1.230.0100.00315.70
7.1.220.0030.00615.12
7.1.210.0030.01015.54
7.1.200.0080.00515.64
7.1.190.0070.01015.59
7.1.180.0090.00615.34
7.1.170.0030.01015.27
7.1.160.0080.00015.76
7.1.150.0070.00415.66
7.1.140.0070.00315.38
7.1.130.0060.00615.64
7.1.120.0040.01115.27
7.1.110.0090.00915.39
7.1.100.0080.01015.67
7.1.90.0100.00315.67
7.1.80.0090.00315.64
7.1.70.0020.00916.29
7.1.60.0420.01224.12
7.1.50.0220.01423.99
7.1.40.0280.00523.87
7.1.30.0250.01424.01
7.1.20.0310.00823.99
7.1.10.0200.00515.01
7.1.00.0410.00914.98
7.0.330.0060.00915.12
7.0.320.0000.01115.48
7.0.310.0000.01214.93
7.0.300.0100.00314.57
7.0.290.0070.00315.13
7.0.280.0050.00314.65
7.0.270.0000.00914.73
7.0.260.0090.00615.11
7.0.250.0070.00715.17
7.0.240.0030.00915.41
7.0.230.0040.00415.15
7.0.220.0060.00814.91
7.0.210.0000.01115.00
7.0.200.0170.01215.09
7.0.190.0200.00814.92
7.0.180.0050.01014.38
7.0.170.0180.00714.73
7.0.160.0080.00714.78
7.0.150.0280.00714.58
7.0.140.0150.00914.63
7.0.130.0150.00914.94
7.0.120.0210.00814.81
7.0.110.0150.01214.85
7.0.100.0170.01014.65
7.0.90.0250.00814.45
7.0.80.0180.00614.60
7.0.70.0160.00814.63
7.0.60.0220.01214.63
7.0.50.0220.01314.66
7.0.40.0200.00613.78
7.0.30.0230.00813.91
7.0.20.0270.00614.00
7.0.10.0250.01113.72
7.0.00.0150.01013.61
5.6.400.0030.00913.90
5.6.390.0070.00714.14
5.6.380.0060.00613.63
5.6.370.0030.01013.90
5.6.360.0070.00713.84
5.6.350.0050.00513.84
5.6.340.0040.01114.09
5.6.330.0060.00613.84
5.6.320.0060.00313.69
5.6.310.0040.00714.23
5.6.300.0030.01014.16
5.6.290.0040.00414.03
5.6.280.0030.00614.26
5.6.270.0040.00414.07
5.6.260.0070.01013.79
5.6.250.0040.01113.99
5.6.240.0060.00914.11
5.6.230.0060.00913.85
5.6.220.0040.00714.08
5.6.210.0090.00013.77
5.6.200.0110.00314.05
5.6.190.0040.00414.02
5.6.180.0080.00814.12
5.6.170.0070.00313.79
5.6.160.0080.00613.89
5.6.150.0040.00413.77
5.6.140.0000.01113.90
5.6.130.0140.00013.88
5.6.120.0100.00314.03
5.6.110.0030.01013.75
5.6.100.0030.00913.96
5.6.90.0060.01014.29
5.6.80.0030.01014.01
5.6.70.0070.00713.82
5.6.60.0070.01013.86
5.6.50.0070.00714.23
5.6.40.0050.00514.13
5.6.30.0100.00313.58
5.6.20.0090.00913.82
5.6.10.0060.00913.85
5.6.00.0070.00714.11

preferences:
68.12 ms | 401 KiB | 5 Q